You may need this test if it is part of routine blood testing. You may also need your hematocrit checked before having surgery or if your healthcare provider suspects you have a red blood cell disorder. Too many red blood cells is called polycythemia. Too few red blood cells is called anemia. Polycythemia may cause: Heart attack. Stroke
MySQL CURRENT_DATE. Description. In MySQL the CURRENT_DATE returns the current date in âYYYY-MM-DDâ format or YYYYMMDD format depending on whether numeric or string is used in the function. CURDATE() and CURRENT_DATE() are the synonym of CURRENT_DATE. Note: All of the example codes of this page will produce outputs depending upon the current date. Syntax :
SQL Server comes with the following data types for storing a date or a date/time value in the database: 1  DATE-format YYYY-MM-DD. 2  DATETIME-format: YYYY-MM-DD HH:MI:SS. 3  SMALLDATETIME-format: YYYY-MM-DD HH:MI:SS. 4  TIMESTAMP-format: a unique number.